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Miltenyi Biotec distribution:

As a global market leader with numerous subsidiaries and distributors, Miltenyi Biotec is
committed to providing our customers around the world with the highest quality products.
In addition to direct selling in more than 20 countries in North America, Europe and
Asia/Pacific, Miltenyi Biotec also provides support for our customers through an
extensive distributor network covering dozens of additional countries.

As a global market leader with numerous subsidiaries and distributors, Miltenyi Biotec is
committed to providing our customers around the world with the highest quality products.
In addition to direct selling in more than 20 countries in North America, Europe and
Asia/Pacific, Miltenyi Biotec also provides support for our customers through an
extensive distributor network covering dozens of additional countries.

StraightFrom

®

Leukopak

®

CD19 MicroBead Kit

, human

using the MultiMACS™ Cell24 Separator Plus for semi-automated separation. No sample preparation is required, including density gradient centrifugation, erythrocyte lysis, or cell count. Multi-24 Column Block and Whole Blood Column Elution Buffer are included in the kit to allow direct processing of a 1/2 Leukopak

Background information

The CD19 antigen is expressed from the early pro–B cell to the B cell blast stage. It is also present on most malignant B cells. CD19 expression is down-regulated upon terminal differentiation of B cells to plasma cells.

Detailed separation procedure

A Leukopak

®

sample is labeled with StraightFrom

®

Leukopak

®

CD19 MicroBeads and loaded onto Multi-24 Column Block, which is placed in the magnetic field of a MultiMACS™ Cell24 Separator Plus. After removing the column from the magnetic field, the magnetically retained CD19

+

cells can be eluted as the positively selected cell fraction.

Downstream applications

The purified CD19

+

cells are well suited for further flow cytometric, functional, or molecular analysis.